<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">
        当前位置：首页
      </el-breadcrumb-item>
      <el-breadcrumb-item>系统管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色管理</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 添加角色按钮区域 -->
      <el-row>
        <el-col>
          <el-button
            class="theme-background-color"
            @click="$router.push('/system/roleManage')"
            >添加角色</el-button
          >
        </el-col>
      </el-row>

      <!-- 角色列表区域 -->
      <el-table :data="rolesList" border stripe>
        <!-- 展开列 -->
        <!-- <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row
              :class="[
                'bdbottom',
                i1 === 0 ? 'bdtop' : '',
                'vcenter',
                'hmargin'
              ]"
              v-for="(item1, i1) in scope.row.children"
              :key="item1.id"
            >
              渲染一级权限
              <el-col :span="5">
                <el-tag closable @close="removeRightById(scope.row, item1.id)">
                  {{ item1.authName }}
                </el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              渲染二级和三级权限
              <el-col :span="19">
                通过 for 循环 嵌套渲染二级权限
                <el-row
                  :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']"
                  v-for="(item2, i2) in item1.children"
                  :key="item2.id"
                >
                  <el-col :span="6">
                    <el-tag
                      type="success"
                      closable
                      @close="removeRightById(scope.row, item2.id)"
                    >
                      {{ item2.authName }}
                    </el-tag>
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <el-col :span="18">
                    <el-tag
                      type="warning"
                      :class="[i3 === 0 ? '' : 'bdtop']"
                      v-for="(item3, i3) in item2.children"
                      :key="item3.id"
                      closable
                      @close="removeRightById(scope.row, item3.id)"
                    >
                      {{ item3.authName }}
                    </el-tag>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column> -->
        <!-- 索引列 -->
        <el-table-column label="序号" type="index"></el-table-column>
        <el-table-column label="角色名称" prop="role_name"></el-table-column>
        <el-table-column label="角色描述" prop="remark"></el-table-column>
        <el-table-column label="创建人" prop="creator"></el-table-column>
        <el-table-column label="创建时间" prop="create_time"></el-table-column>
        <el-table-column label="状态" prop="status" width="60px">
          <template slot-scope="scope">
            <span v-show="scope.row.active == 1">启用</span>
            <span v-show="scope.row.active == 0">禁用</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-link
              type="danger"
              v-if="scope.row.active == 1"
              @click="disable(scope.row.role_id)"
            >
              禁用
            </el-link>
            <el-link
              type="primary"
              v-if="scope.row.active === 0"
              @click="enable(scope.row.role_id)"
            >
              启用
            </el-link>
            &nbsp;
            <!-- <el-link
              type="primary"
              @click="
                $router.push({
                  name: 'roleManage',
                  query: scope.row
                })
              "
            >
              编辑
            </el-link> -->
            &nbsp;
            <el-link type="primary" @click="lookDetail(scope.row)">
              详情
            </el-link>
            &nbsp;
            <!-- <el-link type="primary" @click="showSetRightDialog(scope.row)">
              分配权限
            </el-link> -->
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <!-- 分配权限的对话框 -->
    <el-dialog
      title="分配权限"
      :visible.sync="setRightDialogVisible"
      width="50%"
      :close-on-click-modal="false"
      :close-on-press-escape="false"
      @close="setRightDialogClosed"
    >
      <!-- 树形控件 -->
      <el-tree
        :data="rightsList"
        :props="treeProps"
        show-checkbox
        node-key="id"
        default-expand-all
        :default-checked-keys="defKeys"
        ref="treeRef"
      ></el-tree>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRightDialogVisible = false">取 消</el-button>
        <el-button class="theme-background-color" @click="allotRights">
          确 定
        </el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 角色列表
      rolesList: [],
      //   控制分配权限对话框的显示与隐藏
      setRightDialogVisible: false,
      //   所有权限的数据
      rightsList: [],
      treeProps: {
        children: 'children',
        label: 'authName'
      },
      //   默认选中的节点Id值数组
      defKeys: [],
      //   当前即将分配权限的角色id
      roleId: ''
    }
  },
  created() {
    // 获取所有的角色
    this.getRolesList()
  },
  methods: {
    async getRolesList() {
      const { data: res } = await this.$http.get('/admin/role/list')

      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data
    },
    // 根据 id 删除对应的权限
    async removeRightById(role, rightId) {
      //   弹框提示用户是否要删除
      const confirmResult = await this.$confirm(
        '此操作将永久删除该权限, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      // const { data: res } = await this.$http.delete(
      //   `roles/${role.id}/rights/${rightId}`
      // )
      const { data: res } = await this.$http.get('/json/removeRightById.json')
      if (res.meta.status !== 200) {
        this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)

      role.children = res.data
    },
    // 展示分配权限的对话框
    async showSetRightDialog(role) {
      this.roleId = role.id
      // 获取所有权限的数据
      const { data: res } = await this.$http.get('/json/allRightsTree.json')

      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      //   把获取到的权限数据保存到 data 中
      this.rightsList = res.data
      //   console.log(this.rightsList)
      //   递归获取三级节点的id
      this.getLeafKeys(role, this.defKeys)
      this.setRightDialogVisible = true
    },
    // 通过递归的形式，获取角色下所有三级权限的id，并保存到 defKeys 数组中
    getLeafKeys(node, arr) {
      // 如果当前 node 节点不包含 children 属性，则是三级节点
      if (!node.children) {
        return arr.push(node.id)
      }
      node.children.forEach((item) => this.getLeafKeys(item, arr))
    },
    // 监听分配权限对话框的关闭事件
    setRightDialogClosed() {
      this.defKeys = []
    },
    // 点击为角色分配权限
    async allotRights() {
      const keys = [
        this.$refs.treeRef.getCheckedKeys(),
        this.$refs.treeRef.getHalfCheckedKeys()
      ]
      //   console.log(keys)
      const idstr = keys.join(',')
      console.log(idstr)

      //   const { data: res } = await this.$http.post(
      //     `roles/${this.roleId}/rights`,
      //     { rids: idStr }
      //   )
      const { data: res } = await this.$http.get('/json/allotRights.json')
      if (res.meta.status !== 200) {
        return this.$message.error('分配权限失败！')
      }
      this.$message.success(res.meta.msg)
      this.rightsList = res.data
      this.getRolesList()
      this.setRightDialogVisible = false
    },
    lookDetail(row) {
      var parmas = row
      parmas.detailVisible = true
      this.$router.push({ path: '/system/roleManage', query: parmas })
    },
    async disable(id) {
      // 弹框询问是否禁用用户
      const confirmResult = await this.$confirm(
        '禁用后关联该角色的用户将失去该角色的权限，是否确认禁用？',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消操作')
      }
      // const { data: res } = await this.$http.post(
      //   'removeProductById', {
      //   idi : id
      // }
      // )

      const { data: res } = await this.$http.post('/admin/role/active', {
        role_id: id
      })
      if (res.meta.status !== 200) {
        this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)
      this.getRolesList()
    },
    async enable(id) {
      // 弹框询问是否启用用户
      const confirmResult = await this.$confirm(
        '是否确认启用该用户？',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消操作')
      }
      // const { data: res } = await this.$http.post(
      //   'removeProductById', {
      //   idi : id
      // }
      // )
      const { data: res } = await this.$http.post('/admin/role/active', {
        role_id: id
      })
      if (res.meta.status !== 200) {
        this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)
      this.getRolesList()
    }
  }
}
</script>

<style lang="less" scoped>
.el-tag {
  margin: 7px;
}
.bdtop {
  border-top: 1px solid #eee;
}
.bdbottom {
  border-bottom: 1px solid #eee;
}
.vcenter {
  display: flex;
  align-items: center;
}
.hmargin {
  margin-left: 48px;
}
</style>
